This part is a kind of semiconductor called B5000.

Function of this product has SAW Components.

Manufacturers : EPCOS

Image and pinout :

Some of the text within the PDF file :

SAW Components Data Sheet B5000 SAW Components Low-Loss Filter Data Sheet B5000 190,0 MHz Ceramic package DCC12A Features q Low-loss IF filter for GSM base stations q Ceramic SMD package q Temperature stable 7,62 1,0 1 2 3 4 5 1,7 Terminals q Gold plated 1,6 10 9 8 7 6 2,3 bottom view 3,81 side view 6,5 top view 13,3 Dimensions in mm, aprox. weight 0,4 g Pin configuration 1 10 6 5 2, 4, 7, 9 3, 8 Input Input ground Output Output ground Case ground To be grounded Type B5000 Ordering code B39191-B5000-H510 Marking and Package according to C61157-A7-A94 Packing according to F61074-V8163-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power T Tstg VDC Ps –30 / +85 –40 / [ ... ]

B5000 PDF Datasheet Download